US Bridges

US 1 over Stone Run

Fair

Cecil County, Maryland · 0.35 Mile North of Md 276 · Structure no. 100000070002020

Built
1956
69 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
39 ft
Daily traffic
7,802
2009 count
Owner
State
State Highway Agency

About this bridge

US 1 over Stone Run is a concrete continuous culvert carrying US 1 over Stone Run in Cecil County, Maryland. It was built in 1956, so it is 69 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,802 vehicles a day, roughly 8% of them trucks, projected to reach 9,653 by 2026. The structure is 39 ft (12 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 1
CrossesStone Run
Location0.35 Mile North of Md 276
RouteU.S. Route 1
Coordinates39.70593, -76.07773
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans0
Design loadH 20
Structure length39 ft (12 m)
Longest span19 ft (5.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,802 (2009)
Projected traffic9,653 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 1 over Stone Run built?

It was built in 1956, making it 69 years old in 2025.

What condition is US 1 over Stone Run in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does US 1 over Stone Run carry?

About 7,802 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is US 1 over Stone Run?

The structure is 39 ft (12 m) long with a longest span of 19 ft (5.8 m).

Who owns US 1 over Stone Run?

It is owned by the State Highway Agency.